STUDY: Hansen, Britta (1980). "Can signed Danish as it is
used by the deaf themselves be an appropriate mode of communication
between deaf and hearing people?: an analysis of some characteristics
in signed Danish," in Ahlgren, Inger, and Brita Bergman, eds., Papers from the First International Symposium on Sign Language Research, June 10-16, 1979, Skepparholmen, Sweden. Leksand, Sweden: Sveriges Dövas Riksförbund, p.179-189.

South African Indian Sign Language: DIALECT of South African Sign Language: South Africa

STUDY: Saleh, S. (1986). Signs used by pupils and teachers at the Lenasia School for the Deaf: a comparative study. Thesis. Johannesburg: Department of Speech Pathology and Audiology, University of the Witwatersrand.

STUDIES: Haddon, Alfred C. (1907). "The gesture language of the Eastern Islanders," in Reports of the Cambridge Anthropological Expedition to Torres Straits. Cambridge, England: The University Press, v.3.

Seligman, C. G., and A. Wilkin (1907). "The gesture language of the Western Islanders," in Reports of the Cambridge Anthropological Expedition to Torres Straits. Cambridge, England: The University Press, v.3.

Trappist Sign Language: Worldwide, but especially France, Britain, United States